section {
    width: 100%;
  }
  
  .good-nav {
    width: 100%;
    margin-top: 60px;
    border-bottom: 1px solid #e9e9e9;
  }
  
  .good-nav > .wrapper {
    width: 1200px;
    height: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
  }
  
  .good-nav > .wrapper > .nav-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
  }
  
  .good-nav > .wrapper > ul {
    display: flex;
    flex-direction: row;
  }
  
  .good-nav > .wrapper > ul > li {
    margin: 0 40px;
  }
  
  .good-nav > .wrapper > ul > li > a {
    color: #9b9b9b;
  }
  
  .good-nav > .wrapper > ul > li > a:hover {
    color: #ffc915;
  }
  
  .goods-swiper {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
  }
  
  .goods-swiper-l {
    width: 540px;
    position: relative;
  }
  
  .goods-swiper-l .swiper-container {
    display: flex;
    margin-bottom: 10px;
    height: 540px;
    width: 100%;
    position: relative;
  }
  
  .goods-swiper-l .swiper-container .swiper-img img {
    height: 540px;
    width: 540px;
  }
  
  .goods-swiper-l .swiper-container .swiper-mask {
    width: 168.75px;
    height: 168.75px;
    background-color: rgba(0, 0, 0, 0.3);
    position: absolute;
    top: 0;
    left: 0;
    display: none;
  }
  
  .goods-swiper-l .swiper-big {
    position: absolute;
    top: 0;
    left: 550px;
    overflow: hidden;
    display: none;
    width: 250px;
    height: 250px;
  }
  
  .goods-swiper-l .swiper-big img {
    position: absolute;
    width: 800px;
    height: 800px;
  }
  
  .goods-swiper-l .swiper-thumbs {
    display: flex;
    justify-content: center;
    margin-bottom: 10px;
  }
  
  .goods-swiper-l .swiper-thumbs .swiper-thumb {
    width: 80px;
    height: 80px;
    margin: 0 15px;
    cursor: pointer;
    position: relative;
  }
  
  .goods-swiper-l .swiper-thumbs .swiper-thumb img {
    width: 80px;
    height: 80px;
  }
  
  .goods-swiper-l .swiper-thumbs .swiper-thumb.select::after {
    content: '';
    width: 40px;
    height: 2px;
    background-color: #000;
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .goods-swiper-r {
    width: 520px;
    padding: 0 20px 0 40px;
  }
  
  .goods-swiper-r .goods-basic {
    padding: 40px 0 20px;
    border-bottom: 1px solid #e9e9e9;
  }
  
  .goods-swiper-r .goods-basic h1 {
    font-size: 20px;
    line-height: 28px;
    margin-bottom: 13px;
    font-weight: 600;
  }
  
  .goods-swiper-r .goods-basic .goods-price {
    font-size: 24px;
    line-height: 33px;
    font-weight: 600;
  }
  
  .goods-swiper-r .goods-activity {
    padding: 20px 0;
    border-bottom: 1px solid #e9e9e9;
  }
  
  .goods-swiper-r .goods-activity li {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 10px;
  }
  
  .goods-swiper-r .goods-activity li div {
    display: flex;
    align-items: center;
  }
  
  .goods-swiper-r .goods-activity li div .label {
    width: 56px;
    margin-right: 6px;
    color: #6a6a6a;
  }
  
  .goods-swiper-r .goods-activity li div .desc {
    margin-left: 6px;
  }
  
  .goods-swiper-r .goods-activity li a {
    color: #6a6a6a;
    display: flex;
    align-items: center;
    padding-left: 5px;
  }
  
  .goods-swiper-r .goods-service {
    display: flex;
    align-items: center;
    font-size: 14px;
    line-height: 20px;
    padding: 16px 0;
    border-bottom: 1px solid #e9e9e9;
  }
  
  .goods-swiper-r .goods-service .label {
    margin-right: 12px;
    font-size: 11px;
  }
  
  .goods-swiper-r .goods-service .icon {
    width: 14px;
    height: 14px;
    margin-right: 6px;
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-position: top;
  }
  
  .goods-swiper-r .goods-service .icon-delivery-free {
    background-image: url(../images/delivery.svg);
  }
  
  .goods-swiper-r .goods-service .icon-safe-payment {
    background-image: url(../images/safe-payment.svg);
  }
  
  .goods-swiper-r .goods-service .icon-huabei-black {
    background-image: url(../images//huabei.svg);
  }
  
  .goods-swiper-r .goods-select {
    padding: 30px 0 0;
  }
  
  .goods-swiper-r .goods-select-title {
    font-size: 16px;
    line-height: 22px;
    margin-bottom: 10px;
    font-weight: 400;
  }
  
  .goods-swiper-r .goods-select-group {
    font-size: 14px;
    margin-bottom: 30px;
    display: flex;
  }
  
  .goods-swiper-r .goods-select-group .goods-select-item {
    width: 158px;
    height: 58px;
    margin-right: 20px;
    transition: border 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 10px;
    color: #000;
    border: 1px solid #e2e2e2;
  }
  
  .goods-swiper-r .goods-select-group .goods-select-item .goods-color {
    width: 24px;
    height: 24px;
    border-radius: 24px;
    margin-right: 10px;
  }
  
  .goods-swiper-r .goods-select-group .goods-select-item.disabled {
    border: 1px dashed #e2e2e2;
  }
  
  .goods-swiper-r .goods-select-group .goods-select-item.selected {
    border-color: #000;
    font-weight: 600;
  }
  
  .goods-swiper-r .goods-select-group .goods-select-count {
    width: 158px;
    height: 58px;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    margin-right: 20px;
    align-items: center;
    border: 1px solid #e2e2e2;
  }
  
  .goods-swiper-r .goods-select-group .goods-select-count .disabled {
    padding: 12px;
    margin: 0 4px;
  }
  
  .goods-swiper-r .goods-select-group .goods-select-count .disabled .icon {
    width: 24px;
    height: 24px;
    margin: 0 14px;
    color: #e2e2e2;
    font-size: 20px;
  }
  
  .goods-swiper-r .goods-summary {
    padding: 30px 40px;
    background: #f9f9f9;
    position: relative;
  }
  
  .goods-swiper-r .goods-summary-list {
    padding: 0;
    margin-bottom: 6px;
    font-size: 14px;
    color: #4a4a4a;
  }
  
  .goods-swiper-r .goods-summary-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .goods-swiper-r .goods-summary-count {
    font-size: 14px;
    margin-bottom: 10px;
    align-items: baseline;
    justify-content: space-between;
    display: flex;
  }
  
  .goods-swiper-r .goods-summary-count div {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
  }
  
  .goods-swiper-r .goods-summary-count div .currency {
    font-size: 18px;
    margin-right: 4px;
    font-weight: 600;
  }
  
  .goods-swiper-r .goods-summary-count div .price {
    font-size: 30px;
    line-height: 42px;
    font-weight: 600;
  }
  
  .goods-swiper-r .goods-summary-btns {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .goods-swiper-r .goods-summary-btns .btn {
    width: 210px;
    height: 52px;
    font-size: 16px;
    line-height: 52px;
    box-sizing: border-box;
    text-align: center;
    transition: background-color ease-in-out 0.2s, color ease-in-out 0.2s, border-color ease-in-out 0.2s;
  }
  
  .goods-swiper-r .goods-summary-btns .btn-black {
    border: 1px solid #000;
    color: #000;
  }
  
  .goods-swiper-r .goods-summary-btns .btn-primary {
    background: #ffc915;
    border: 1px solid #ffc915;
    color: #000;
    position: relative;
  }
  
  .goods-swiper-r .goods-summary-btns .btn-black:hover {
    background-color: #000;
    color: white;
  }
  
  .goods-swiper-r .goods-summary-btns .btn-primary:hover {
    background-color: #d9ab11;
  }
  
  .sticky-header {
    width: 100%;
    background: #fff;
    height: 100px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 31;
    display: none;
  }
  
  .sticky-header .wrapper {
    width: 1200px;
    height: 100px;
    margin: 0 auto;
  }
  
  .sticky-header .wrapper .sticky-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 16px;
    height: 100px;
  }
  
  .sticky-header .wrapper .sticky-container .category-left {
    display: flex;
    align-items: center;
  }
  
  .sticky-header .wrapper .sticky-container .category-left img {
    width: 80px;
    height: 80px;
    margin-right: 10px;
  }
  
  .sticky-header .wrapper .sticky-container .category-left .categroy-detail {
    display: flex;
    flex-direction: column;
  }
  
  .sticky-header .wrapper .sticky-container .category-left .categroy-detail .main {
    display: flex;
    color: #000;
    line-height: 20px;
    font-size: 14px;
  }
  
  .sticky-header .wrapper .sticky-container .category-right {
    display: flex;
    justify-content: flex-end;
  }
  
  .sticky-header .wrapper .sticky-container .category-right .categroy-detail {
    display: flex;
    flex-direction: column;
    height: 40px;
    margin-right: 20px;
    justify-content: flex-end;
  }
  
  .sticky-header .wrapper .sticky-container .category-right .categroy-detail span {
    text-align: right;
    font-size: 14px;
    color: #000;
  }
  
  .sticky-header .wrapper .sticky-container .category-right .btn {
    width: 126px;
    height: 40px;
    font-size: 14px;
    line-height: 38px;
    box-sizing: border-box;
    text-align: center;
    transition: background-color ease-in-out 0.2s, color ease-in-out 0.2s, border-color ease-in-out 0.2s;
  }
  
  .sticky-header .wrapper .sticky-container .category-right .btn-primary {
    background: #ffc915;
    color: #000;
    position: relative;
  }
  
  .sticky-header .wrapper .sticky-container .category-right .btn-primary:hover {
    background-color: #d9ab11;
  }
  
  .back-top {
    position: fixed;
    bottom: 2.5rem;
    right: 0;
    background-color: #fff;
    text-align: center;
    display: none;
  }
  
  .back-top .iconfont {
    font-size: 24px;
  }
  
  .back-top span {
    width: 60px;
    height: 60px;
    display: inline-block;
    line-height: 60px;
    color: #999999;
    cursor: pointer;
  }
  
  .back-top span:hover {
    background-color: #ffc915;
    color: #000;
  }
  
  .back-top .divide-line {
    width: 40px;
    height: 1px;
    background: #e9e9e9;
    margin: 0 auto;
  }
  
  .goods-content {
    background: #f4f4f5;
    padding-bottom: 40px;
  }
  
  .goods-content .goods-tabs {
    border-top: 1px solid #e9e9e9;
    margin-bottom: 20px;
    background-color: #fff;
    font-size: 14px;
  }
  
  .goods-content .goods-tabs .wrapper {
    width: 1200px;
    margin: 0 auto;
  }
  
  .goods-content .goods-tabs .wrapper ul {
    display: flex;
    width: 360px;
    flex-wrap: nowrap;
  }
  
  .goods-content .goods-tabs .wrapper ul li {
    font-size: 14px;
    line-height: 60px;
    margin: 0 32px;
    position: relative;
    cursor: pointer;
  }
  
  .goods-content .goods-tabs .wrapper ul li a {
    color: #9b9b9b;
  }
  
  .goods-content .goods-tabs .wrapper ul li.active > a {
    color: #000;
  }
  
  .goods-content .goods-tabs .wrapper ul li.active::before {
    position: absolute;
    content: "";
    width: 36px;
    height: 2px;
    background: #ffc915;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .goods-content .goods-overview {
    padding: 30px;
    background: #fff;
    box-sizing: border-box;
    width: 1200px;
    margin: 0 auto;
  }
  
  .goods-content .goods-overview img {
    width: 100%;
    vertical-align: middle;
    border: 0;
  }